1. Brooke has been feeling ill lately and she goes to the emergency room. She has...

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Medical Sciences

1. Brooke has been feeling ill lately and she goes to theemergency room. She has been vomiting excessively for 4 days andunable to hold down any food or water. Tests are run, and herarterial blood gas comes back as follows:
pH: 7.6
pCO₂: 55mmHg
HCO₃^-:Â Â 28mEq
Diagnose the acid base disturbance. How do you know (i.e. is pHalkaline or acidic, is pCO2 alkaline or acidic, is bicarb alkalineor acidic) (3 POINTS)? What is likely the cause of this imbalance,why? How would the respiratory system compensate for this imbalance(2 POINTS)? How would the urinary system compensate for thisimbalance.
2. What is the glomerular filtration rate (GFR)? How does theGFR relate to net filtration pressure? What are 2 physiologicalmechanisms that can change the GFR, briefly explain how they affectthe GFR? Identify a hormone that will increase the GFR. Identify ahormone that will decrease the GFR .

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4.4 Ratings (802 Votes)

1 Acid base disturbance Test Patient value Normal value Remark pH 76 735 745 Alkaline pCO2 55mmHg 35 45 mmHg High HCO3 28 mEqL 22 26 mEL slightly high Here the pH level show that the blood is alkaline The partial pressure of CO2 is high The bicarbonate level is slightly high The patients condition is due to Vomiting for 4 days Vomiting generates metabolic alkalosis by the loss of gastric secretions The gastric secretions contains hydrochloric acid in large amount Loss of fluid and Nacl in vomitus results in contraction of ECF and increased secretion of renin and aldosterone Severe vomiting also See Answer

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